/****************************************************************************
 * arch/z80/src/z180/z180_io.c
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>
#include <nuttx/arch.h>
/* #include <nuttx/irq.h> */

#include "z80_internal.h"

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

/****************************************************************************
 * Private Data
 ****************************************************************************/

/****************************************************************************
 * Private Functions
 ****************************************************************************/

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: outb
 *
 * Description:
 *   Output byte c on port p
 *
 ****************************************************************************/

void outp(char p, char c)
{
  __asm
  ld c, 4(ix) ; port
  ld a, 5(ix) ; value
  out (c), a
  __endasm;
}

/****************************************************************************
 * Name: inpb
 *
 * Description:
 *   Input byte from port p
 *
 ****************************************************************************/

char inp(char p) __naked
{
  __asm
  ld c, 4(ix) ; port
  in l, (c)
  __endasm;
}
